荒漠生态系统鼠类对土壤和植被的扰动效应

被引:8
作者
蒋慧萍 [1 ]
杨维康 [1 ]
胡祚均 [2 ]
机构
[1] 中国科学院新疆生态与地理研究所
[2] 新疆林业学校
关键词
鼠类; 荒漠生态系统; 扰动; 土壤; 植物群落;
D O I
10.13292/j.1000-4890.2007.0102
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
干扰形成的斑块对荒漠生态系统时空异质性的维系和发展具有重要意义。鼠类作为生物干扰的重要代表,是荒漠生态系统斑块形成的主要来源,它们已从生理、形态、行为进化出一系列特点适应了荒漠生态系统的严酷环境,同时其挖掘、采食行为也深刻影响着荒漠生态系统的环境。本文主要从鼠类活动对土壤(包括土壤发生过程、土壤斑块的形成、土壤理化性质)和植物群落(包括物种多样性、生产力、植物种子)的扰动效应做了归纳总结,旨在阐明鼠类在荒漠生态系统中的作用。
引用
收藏
页码:561 / 566
页数:6
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